The hypothalamus produces thyrotropin-releasing hormone (TRH), which stimulates the pituitary gland to release thyroid-stimulating hormone (TSH).
Water Opal is a colourless, clear opal with a play of colour. It is rare and valuable in the Realms, where it is used in scrying devices.ater Opals are valuable gems in the game which may be found. This item appears in Baldur's Gate (game) , Baldur's Gate: Enhanced Edition, Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition.
The precious opal and the beautiful fire opal are very emotional stones. It is a rather brittle stone, not an especially stable one. It is not true that opals must be kept in water in order not to dry out. lf they are properly created and processed, they do keep their beauty, their fire.